c# 数据采集不要用 CookieContainer

var cookieStr = "“ ;

// 创建请求对象

HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

// 全部请求头复刻

req.Headers.Add("Cookie", cookieStr);

c# 数据采集不要用 CookieContainer，下面这种方法不行

HttpWebRequest req = (HttpWebRequest) WebRequest.Create (uri);

req.CookieContainer = cookieContainer;

// 设置 Cookie

cookieContainer.SetCookies (uri, cookieStr); 不用这种方法设置 cookie